Finding the Third Proportional to 451,982 and 613,850

Step by Step Solution

1. Step 1: Write the proportion equation
   451,982 : 613,850 = 613,850 : x
2. Step 2: Convert to fraction form
   451,982/613,850 = 613,850/x
3. Step 3: Cross multiply
   451,982x = 613,850 × 613,850
4. Step 4: Simplify right side
   451,982x = 376,811,822,500
5. Step 5: Solve for x
   x = 376,811,822,500/451,982
6. Step 6: Final answer
   x = 833,687.67